This document provides specifications for the Brunner Panorama-Kamin Tunnel 57/25/85/25 fireplace with lifting doors. It lists key details such as dimensions, technical performance values, necessary supply pressure, firewood consumption, and compliance with various country standards. Installation and planning guidelines are also covered, addressing distances to walls/floors, heat insulation, outlet temperatures and more. The fireplace weighs 234kg plus an additional 31kg for the burning chamber.